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Consolidated Statements of Operations - USD ($) | 12 Months Ended
--- | ---
Dec. 30, 2017 | Dec. 31, 2016 | Jan. 02, 2016
Income Statement [Abstract] |  |  |  |
Sales, net |  | $ 21,201,482 | $ 21,664,648 | $ 17,884,886
Cost of sales |  | 10,724,177 | 11,274,114 | 10,350,281
Gross profit |  | 10,477,305 | 10,390,534 | 7,534,605
Operating expenses: |  |  |  |
Sales and marketing |  | 4,459,224 | 1,558,213 | 1,507,868
Research and development |  | 4,007,381 | 2,522,768 | 891,601
General and administrative |  | 17,641,889 | 9,214,763 | 7,201,231
Other |  | 745,773 | 0 | 0
Operating expenses |  | 26,854,267 | 13,295,744 | 9,600,700
Operating loss |  | (16,376,962) | (2,905,210) | (2,066,095)
Nonoperating income (expense): |  |  |  |
Interest expense, net |  | (152,784) | (333,286) | (566,917)
Loss on debt extinguishment |  | 0 | (313,099) | 0
Nonoperating expenses |  | (152,784) | (646,385) | (566,917)
Loss before income taxes |  | (16,529,746) | (3,551,595) | (2,633,012)
Provision for taxes |  | 0 | 0 | (4,527)
Loss from continuing operations |  | (16,529,746) | (3,551,595) | (2,637,539)
Income (loss) from discontinued operations |  | (315,140) | 623,410 | (133,528)
Gain on sale of discontinued operations |  | 5,467,268 | 0 | 0
Income (loss) from discontinued operations, net |  | 5,152,128 | 623,410 | (133,528)
Net loss |  | $ (11,377,618) | $ (2,928,185) | $ (2,771,067)
Basic and diluted earnings (loss) per common share: |  |  |  |
Loss from continuing operations |  | $ (0.37) | $ (0.10) | $ (0.07)
Earnings (loss) from discontinued operations |  | 0.11 | 0.02 | (0.01)
Basic and diluted loss per common share |  | $ (0.26) | $ (0.08) | $ (0.08)
Basic and diluted weighted average common shares outstanding | [1] | 44,598,879 | 37,294,321 | 35,877,341
[1] | Includes approximately 0.5 million, 0.4 million and 0.4 million nonvested restricted stock for the years 2017, 2016 and 2015, respectively, which are participating securities that feature voting and dividend rights.

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